deliantra/Deliantra-Client/DC.pm

=head1 NAME

CFClient - undocumented utility garbage for our crossfire client

=head1 SYNOPSIS

 use CFClient;

=head1 DESCRIPTION

=over 4

=cut

package CFClient;

BEGIN {
   $VERSION = '0.1';

   use XSLoader;
   XSLoader::load "CFClient", $VERSION;
}

use Carp ();
use AnyEvent;
use BerkeleyDB;
use CFClient::OpenGL;

our %GL_EXT;
our $GL_VERSION;

our $GL_NPOT;
our $GL_DEBUG = 1;

sub gl_init {
   $GL_VERSION = gl_version * 1;
   %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;

   $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;

   glDisable GL_COLOR_MATERIAL;
   glShadeModel GL_FLAT;
   glDisable GL_DITHER;
   glDisable GL_DEPTH_TEST;
   glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;

   CFClient::Texture::restore_state ();
}

sub gl_check {
   return unless $GL_DEBUG;

   if (my $error = glGetError) {
      Carp::cluck sprintf "opengl error %x while %s", $error, sprintf @_;
   }
}

sub find_rcfile($) {
   my $path;

   for (grep !ref, @INC) {
      $path = "$_/CFClient/resources/$_[0]";
      return $path if -r $path;
   }

   die "FATAL: can't find required file $_[0]\n";
}

sub read_cfg {
   my ($file) = @_;

   open CFG, $file
      or return;

   my $CFG;

   local $/;
   $CFG = eval <CFG>;

   $::CFG = $CFG;

   close CFG;
}

sub write_cfg {
   my ($file) = @_;

   open CFG, ">$file"
      or return;

   {
      require Data::Dumper;
      local $Data::Dumper::Purity = 1;
      $::CFG->{VERSION} = $::VERSION;
      print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
   }

   close CFG;
}

mkdir "$Crossfire::VARDIR/pclient", 0777;

our $DB_ENV = new BerkeleyDB::Env
                 -Home => "$Crossfire::VARDIR/pclient",
                 -Cachesize => 1_000_000,
                 -ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt",
#                 -ErrPrefix => "DATABASE",
                 -Verbose => 1,
                 -Flags => DB_CREATE | DB_RECOVER_FATAL | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
                    or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";

sub db_table($) {
   my ($table) = @_;

   $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
   
   new CFClient::Database
      -Env      => $DB_ENV,
      -Filename => $table,
#      -Filename => "database",
#      -Subname  => $table,
      -Flags    => DB_CREATE | DB_UPGRADE,
         or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
}

package CFClient::Database;

our @ISA = BerkeleyDB::Btree::;

sub get($$) {
   my $data;

   $_[0]->db_get ($_[1], $data) == 0
      ? $data
      : ()
}

my %DB_SYNC;

sub put($$$) {
   my ($db, $key, $data) = @_;

   $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });

   $db->db_put ($key => $data)
}

package CFClient::Texture;

use strict;

use Scalar::Util;

use CFClient::OpenGL;

my %TEXTURES;

sub new {
   my ($class, %data) = @_;

   my $self = bless {
      internalformat => GL_RGBA,
      format         => GL_RGBA,
      type           => GL_UNSIGNED_BYTE,
      %data,
   }, $class;

   Scalar::Util::weaken ($TEXTURES{$self+0} = $self);

   $self->upload;

   $self
}

sub new_from_image {
   my ($class, $image, %arg) = @_;

   $class->new (image => $image, %arg)
}

sub new_from_file {
   my ($class, $path, %arg) = @_;

   open my $fh, "<:raw", $path
      or die "$path: $!";

   local $/;
   $class->new_from_image (<$fh>, %arg)
}

#sub new_from_surface {
#   my ($class, $surface) = @_;
#
#   $surface->rgba;
#
#   $class->new (
#      data   => $surface->pixels,
#      w      => $surface->width,
#      h      => $surface->height,
#   )
#}

sub new_from_layout {
   my ($class, $layout, %arg) = @_;

   my ($w, $h, $data) = $layout->render;

   $class->new (
      w              => $w,
      h              => $h,
      data           => $data,
      format         => GL_ALPHA,
      internalformat => GL_ALPHA,
      type           => GL_UNSIGNED_BYTE,
      %arg,
   )
}

sub new_from_opengl {
   my ($class, $w, $h, $cb) = @_;

   $class->new (w => $w || 1, h => $h || 1, render_cb => $cb)
}

sub topot {
   (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
}

sub upload {
   my ($self) = @_;

   return unless $GL_VERSION;

   my $data;

   if (exists $self->{data}) {
      $data = $self->{data};

   } elsif (exists $self->{render_cb}) {
      glViewport 0, 0, $self->{w}, $self->{h};
      glMatrixMode GL_PROJECTION;
      glLoadIdentity;
      glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
      glMatrixMode GL_MODELVIEW;
      glLoadIdentity;
      $self->{render_cb}->($self, $self->{w}, $self->{h});

   } else {
      ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
         = CFClient::load_image_inline $self->{image};
   }

   my ($tw, $th) = @$self{qw(w h)};

   unless ($tw > 0 && $th > 0) {
      $tw = $th = 1;
      $data = "\x00" x 64;
   }

   $self->{minified} = [CFClient::average $tw, $th, $data]
      if $self->{minify};

   unless ($GL_NPOT) {
      # TODO: does not work for zero-sized textures
      $tw = topot $tw;
      $th = topot $th;

      if (($tw != $self->{w} || $th != $self->{h}) && defined $data) {
         my $bpp = (length $data) / ($self->{w} * $self->{h});
         $data = pack "(a" . ($tw * $bpp) . ")*",
                    unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
         $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
      }
   }

   $self->{s} = $self->{w} / $tw;
   $self->{t} = $self->{h} / $th;

   $self->{name} ||= glGenTexture;

   glBindTexture GL_TEXTURE_2D, $self->{name};

   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;

   if ($::FAST) {
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
   } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
      # alternatively check for 0x8191
      glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
   } else {
      glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
   }
   
   glGetError;

   if (defined $data) {
      glTexImage2D GL_TEXTURE_2D, 0,
                   $self->{internalformat},
                   $tw, $th, # need to pad texture first
                   0,
                   $self->{format},
                   $self->{type},
                   $data;
      CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
                         $tw, $th, $self->{internalformat},  $self->{format}, $self->{type};
   } else {
      glCopyTexImage2D GL_TEXTURE_2D, 0,
                   $self->{internalformat},
                   0, 0,
                   $tw, $th,
                   0;
      CFClient::gl_check "copying to texture %dx%d if=%x",
                         $tw, $th, $self->{internalformat};
   }
}

sub DESTROY {
   my ($self) = @_;

   delete $TEXTURES{$self+0};

   glDeleteTexture delete $self->{name}
      if $self->{name};
}

sub restore_state{
   $_->upload
      for values %TEXTURES;
};

1;

=back

=head1 AUTHOR

 Marc Lehmann <schmorp@schmorp.de>
 http://home.schmorp.de/

=cut

Revision:	1.49
Committed:	Sun Apr 30 08:09:44 2006 UTC (18 years ago) by root
Branch:	MAIN
Changes since 1.48:	+15 -12 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	=head1 NAME
2
3	root	1.22	CFClient - undocumented utility garbage for our crossfire client
4	root	1.1
5			=head1 SYNOPSIS
6
7	root	1.22	use CFClient;
8	root	1.1
9			=head1 DESCRIPTION
10
11			=over 4
12
13			=cut
14
15	root	1.22	package CFClient;
16	root	1.1
17			BEGIN {
18			$VERSION = '0.1';
19
20	root	1.2	use XSLoader;
21	root	1.22	XSLoader::load "CFClient", $VERSION;
22	root	1.1	}
23
24	root	1.43	use Carp ();
25	root	1.34	use AnyEvent;
26			use BerkeleyDB;
27	root	1.41	use CFClient::OpenGL;
28	root	1.26
29	root	1.19	our %GL_EXT;
30			our $GL_VERSION;
31
32			our $GL_NPOT;
33	root	1.49	our $GL_DEBUG = 1;
34	root	1.19
35			sub gl_init {
36			$GL_VERSION = gl_version * 1;
37			%GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
38
39			$GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} \|\| $GL_VERSION >= 2;
40
41	root	1.49	glDisable GL_COLOR_MATERIAL;
42	root	1.26	glShadeModel GL_FLAT;
43	root	1.49	glDisable GL_DITHER;
44	root	1.26	glDisable GL_DEPTH_TEST;
45			glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
46
47	root	1.22	CFClient::Texture::restore_state ();
48	root	1.19	}
49
50	root	1.49	sub gl_check {
51			return unless $GL_DEBUG;
52
53			if (my $error = glGetError) {
54			Carp::cluck sprintf "opengl error %x while %s", $error, sprintf @_;
55			}
56			}
57
58	root	1.5	sub find_rcfile($) {
59			my $path;
60
61	root	1.46	for (grep !ref, @INC) {
62	root	1.22	$path = "$_/CFClient/resources/$_[0]";
63	root	1.5	return $path if -r $path;
64			}
65
66			die "FATAL: can't find required file $_[0]\n";
67			}
68
69			sub read_cfg {
70			my ($file) = @_;
71
72			open CFG, $file
73			or return;
74
75			my $CFG;
76
77			local $/;
78			$CFG = eval <CFG>;
79
80			$::CFG = $CFG;
81
82			close CFG;
83			}
84
85			sub write_cfg {
86			my ($file) = @_;
87
88			open CFG, ">$file"
89			or return;
90
91			{
92	elmex	1.9	require Data::Dumper;
93	root	1.5	local $Data::Dumper::Purity = 1;
94			$::CFG->{VERSION} = $::VERSION;
95			print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
96			}
97
98			close CFG;
99			}
100
101	root	1.34	mkdir "$Crossfire::VARDIR/pclient", 0777;
102
103			our $DB_ENV = new BerkeleyDB::Env
104			-Home => "$Crossfire::VARDIR/pclient",
105			-Cachesize => 1_000_000,
106	root	1.39	-ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt",
107			# -ErrPrefix => "DATABASE",
108	root	1.34	-Verbose => 1,
109	root	1.39	-Flags => DB_CREATE \| DB_RECOVER_FATAL \| DB_INIT_MPOOL \| DB_INIT_LOCK \| DB_INIT_TXN,
110	root	1.34	or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
111
112			sub db_table($) {
113	root	1.38	my ($table) = @_;
114
115			$table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
116
117	root	1.34	new CFClient::Database
118			-Env => $DB_ENV,
119	root	1.38	-Filename => $table,
120			# -Filename => "database",
121			# -Subname => $table,
122	root	1.34	-Flags => DB_CREATE \| DB_UPGRADE,
123			or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
124			}
125
126			package CFClient::Database;
127
128			our @ISA = BerkeleyDB::Btree::;
129
130			sub get($$) {
131			my $data;
132
133			$_[0]->db_get ($_[1], $data) == 0
134			? $data
135	root	1.37	: ()
136	root	1.34	}
137
138			my %DB_SYNC;
139
140			sub put($$$) {
141			my ($db, $key, $data) = @_;
142
143	root	1.37	$DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
144	root	1.34
145	root	1.37	$db->db_put ($key => $data)
146	root	1.34	}
147
148	root	1.22	package CFClient::Texture;
149	root	1.3
150	root	1.25	use strict;
151
152	root	1.3	use Scalar::Util;
153
154	root	1.41	use CFClient::OpenGL;
155	root	1.3
156	root	1.35	my %TEXTURES;
157	root	1.3
158	root	1.14	sub new {
159	root	1.4	my ($class, %data) = @_;
160
161	root	1.14	my $self = bless {
162	root	1.15	internalformat => GL_RGBA,
163			format => GL_RGBA,
164	root	1.29	type => GL_UNSIGNED_BYTE,
165	root	1.14	%data,
166			}, $class;
167	root	1.4
168	root	1.35	Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
169	root	1.4
170			$self->upload;
171
172			$self
173			}
174
175			sub new_from_image {
176	root	1.33	my ($class, $image, %arg) = @_;
177	root	1.4
178	root	1.33	$class->new (image => $image, %arg)
179	root	1.4	}
180
181	root	1.3	sub new_from_file {
182	root	1.42	my ($class, $path, %arg) = @_;
183	root	1.3
184			open my $fh, "<:raw", $path
185			or die "$path: $!";
186
187			local $/;
188	root	1.42	$class->new_from_image (<$fh>, %arg)
189	root	1.3	}
190
191	root	1.14	#sub new_from_surface {
192			# my ($class, $surface) = @_;
193			#
194			# $surface->rgba;
195			#
196			# $class->new (
197			# data => $surface->pixels,
198	root	1.24	# w => $surface->width,
199			# h => $surface->height,
200	root	1.14	# )
201			#}
202
203	root	1.21	sub new_from_layout {
204	root	1.42	my ($class, $layout, %arg) = @_;
205	root	1.14
206	root	1.21	my ($w, $h, $data) = $layout->render;
207	root	1.14
208			$class->new (
209	root	1.24	w => $w,
210			h => $h,
211	root	1.14	data => $data,
212			format => GL_ALPHA,
213	root	1.44	internalformat => GL_ALPHA,
214	root	1.29	type => GL_UNSIGNED_BYTE,
215	root	1.42	%arg,
216	root	1.4	)
217	root	1.3	}
218
219	root	1.8	sub new_from_opengl {
220			my ($class, $w, $h, $cb) = @_;
221
222	root	1.48	$class->new (w => $w \|\| 1, h => $h \|\| 1, render_cb => $cb)
223	root	1.8	}
224
225	root	1.19	sub topot {
226			(grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
227			}
228
229	root	1.3	sub upload {
230			my ($self) = @_;
231
232	root	1.27	return unless $GL_VERSION;
233	root	1.3
234	root	1.6	my $data;
235	root	1.3
236			if (exists $self->{data}) {
237	root	1.6	$data = $self->{data};
238	root	1.25
239	root	1.24	} elsif (exists $self->{render_cb}) {
240			glViewport 0, 0, $self->{w}, $self->{h};
241	root	1.12	glMatrixMode GL_PROJECTION;
242			glLoadIdentity;
243	root	1.31	glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
244	root	1.12	glMatrixMode GL_MODELVIEW;
245			glLoadIdentity;
246	root	1.25	$self->{render_cb}->($self, $self->{w}, $self->{h});
247	root	1.8
248	root	1.3	} else {
249	root	1.29	($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
250			= CFClient::load_image_inline $self->{image};
251	root	1.3	}
252
253	root	1.24	my ($tw, $th) = @$self{qw(w h)};
254	root	1.19
255	root	1.47	unless ($tw > 0 && $th > 0) {
256	root	1.24	$tw = $th = 1;
257			$data = "\x00" x 64;
258			}
259
260	root	1.32	$self->{minified} = [CFClient::average $tw, $th, $data]
261	root	1.33	if $self->{minify};
262	root	1.32
263	root	1.24	unless ($GL_NPOT) {
264			# TODO: does not work for zero-sized textures
265	root	1.19	$tw = topot $tw;
266			$th = topot $th;
267
268	root	1.43	if (($tw != $self->{w} \|\| $th != $self->{h}) && defined $data) {
269	root	1.24	my $bpp = (length $data) / ($self->{w} * $self->{h});
270	root	1.20	$data = pack "(a" . ($tw * $bpp) . ")*",
271	root	1.24	unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
272			$data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
273	root	1.19	}
274			}
275
276	root	1.24	$self->{s} = $self->{w} / $tw;
277			$self->{t} = $self->{h} / $th;
278	root	1.19
279	root	1.41	$self->{name} \|\|= glGenTexture;
280	root	1.3
281			glBindTexture GL_TEXTURE_2D, $self->{name};
282
283			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
284			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
285	root	1.42
286			if ($::FAST) {
287			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
288			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
289	root	1.45	} elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
290			# alternatively check for 0x8191
291			glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
292			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
293			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
294	root	1.42	} else {
295			glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
296			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
297	root	1.45	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
298	root	1.42	}
299	root	1.3
300	root	1.45	glGetError;
301
302	root	1.8	if (defined $data) {
303			glTexImage2D GL_TEXTURE_2D, 0,
304	root	1.15	$self->{internalformat},
305	root	1.19	$tw, $th, # need to pad texture first
306	root	1.8	0,
307	root	1.14	$self->{format},
308	root	1.29	$self->{type},
309	root	1.8	$data;
310	root	1.49	CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
311			$tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
312	root	1.8	} else {
313			glCopyTexImage2D GL_TEXTURE_2D, 0,
314	root	1.15	$self->{internalformat},
315	root	1.8	0, 0,
316	root	1.19	$tw, $th,
317	root	1.8	0;
318	root	1.49	CFClient::gl_check "copying to texture %dx%d if=%x",
319			$tw, $th, $self->{internalformat};
320	root	1.8	}
321	root	1.3	}
322
323			sub DESTROY {
324			my ($self) = @_;
325
326	root	1.35	delete $TEXTURES{$self+0};
327
328	root	1.41	glDeleteTexture delete $self->{name}
329	root	1.36	if $self->{name};
330	root	1.3	}
331
332	root	1.19	sub restore_state{
333	root	1.3	$_->upload
334	root	1.36	for values %TEXTURES;
335	root	1.3	};
336
337	root	1.1	1;
338
339			=back
340
341			=head1 AUTHOR
342
343			Marc Lehmann <schmorp@schmorp.de>
344			http://home.schmorp.de/
345
346			=cut
347